Pith Number

pith:IKRP3VIN

pith:2018:IKRP3VINRJALIC6OOXBU2CMJJ5

not attested not anchored not stored refs pending

Semantic Human Matting

Kun Gai, Quan Chen, Tiezheng Ge, Xinxin Yang, Yanyu Xu, Zhiqiang Zhang

arxiv:1809.01354 v2 · 2018-09-05 · cs.CV · cs.GR · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKRP3VINRJALIC6OOXBU2CMJJ5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:05:27.789942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a2fdd50d8a40b40bce75c34d09894f4ddc63f6272ec630a869e8eb31df178e

Aliases

arxiv: 1809.01354 · arxiv_version: 1809.01354v2 · doi: 10.48550/arxiv.1809.01354 · pith_short_12: IKRP3VINRJAL · pith_short_16: IKRP3VINRJALIC6O · pith_short_8: IKRP3VIN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IKRP3VINRJALIC6OOXBU2CMJJ5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 42a2fdd50d8a40b40bce75c34d09894f4ddc63f6272ec630a869e8eb31df178e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9465fa0a55fcd6122822bb3197769dff5bc4fad23b7dc71ac8a23daa2518a20b",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-05T06:50:24Z",
    "title_canon_sha256": "a15fe70d0b096a8656e0695e0f81974f89b12c7bc57c33aebd43d947e6dd528c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01354",
    "kind": "arxiv",
    "version": 2
  }
}